Physiological Anatomy of the Lungs

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                                the air remains is altered, When, on the 
other hand, after the pulmonary vessels have 
been injected, the artery with one colour 
and the veins with another, and when the 
lungs have afterwards been kept in a moist 
state, it will be impossible for any one, who 
examines them, either by the naked eye, or 
by the microscope, to fail to observe that 
the structure of the air-tubes is as distinct 
and different from that of the true pulmonary 
or parenchymatic tissue, as it is possible for 
any two structures to be. 
Whenever the smallest fragment of such 
an injected lung is examined by the micros=
=cope, any person, however uninstructed, 
would be able at once to descriminate which 
was Bronchial tube and which pulmonary 
<s>[text?]<\s> tissue - But the case is quite different, 
if a portion of dried lung be examined; the 
pulmonary tissue will then have become shri<s>v<\s>=
=velled up and agglutinated together, so 
that the whole structure will appear as if it 
consisted of nothing else but minute bronchial 
tubes, in consequence of its spongy texture being 
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Manuscript details

James Newton Heale
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Cite as

Physiological Anatomy of the Lungs, 1860. From The Royal Society, AP/43/4



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